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Crestron® Sonnex® 2-Channel Black Output Transformer

At a Glance

Crestron® 2-Channel Sonnex® Output Transformer with full transformer isolation and enables the connection of multiple speakers to a single amplifier output

Proposition 65 Warning for California Residents

Adds transformer-isolated 70 or 100 Volt speaker outputs to any Sonnex® system.

Sonnex® Output Transformers (SAT-70V/100V) are designed for use with the Crestron® Sonnex Multiroom Audio System (SWAMP-24X8) and Expanders (SWAMPE-4 & SWAMPE-8). Available with 2 or 4 channels, these accessories enable the conversion of up to four amplifier output channels to handle 70 or 100 Volt speakers. Also known as "constant-voltage", 70 Volt and 100 Volt speaker systems allow for long wire runs using small-gauge wire, with the potential for connecting numerous speakers per circuit (similar to light fixtures on a common electrical circuit). Typical applications include outdoor speaker zones, retail spaces, hallways and common areas.

Sonnex Output Transformers are designed for maximum performance in a minimal space. Each channel handles a 120 Watt speaker load with a wide frequency response of 40 Hz to 20 kHz (±1 dB). Full transformer isolation ensures trouble-free operation for long and complex wire runs, and helps protect the amplifier against electrical disturbances on the speaker line. The 2-channel SAT-70V/100V-2 model can support a single stereo zone, or two mono zones, of either 70V or 100V speakers. The 4-channel SAT-70V/100V-4 supports two stereo zones, four mono zones, or a combination on one stereo zone and two mono zones.

Key Features

Allows the use of 70 or 100 Volt speakers with any Sonnex® system

Enables the connection of multiple speakers to a single amplifier output

Enables the use of small gauge wire for long runs

Provides full transformer isolation

Rated 120 Watts at 70 or 100 Volts per channel

40 Hz to 20 kHz (±1 dB) frequency response

2 and 4 channel models available

Single-space rack mountable